Preheat oven to 375°.

Combine flour and baking soda in a small bowl and set aside. Cream together butter, sugar, brown sugar and vanilla. Add egg one at time and mix to combined. Gradually add in flour, do not over mix. Stir in chocolate chips.

Drop rounded tablespoon size balls of dough onto greased cookie sheet about 2 inches apart.

Bake for 9-11 minutes.  Allow to cool 2 minutes on baking sheet before serving.